Heat Transfer If heat transfer rate varies with the time, it is termed as Forced convection Steady state conduction None of these Monochromatic radiation Forced convection Steady state conduction None of these Monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Decreases May increase or decrease, depends on the vacuum Increases Remains constant Decreases May increase or decrease, depends on the vacuum Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Is almost independent of pressure Both B and C Increases rapidly with temperature rise Is almost independent of temperature Is almost independent of pressure Both B and C Increases rapidly with temperature rise Is almost independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. None of the listed here highly turbulent transition laminar None of the listed here highly turbulent transition laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.95 0.78 1 0.95 0.78 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very none of the listed here high temperature high pressure low film co-efficient none of the listed here high temperature high pressure low film co-efficient ANSWER DOWNLOAD EXAMIANS APP